Stihl MS 311, Manual, Page: 89 / 94

88 MS 311, MS 391
13. Special Servicing Tools
New Special Tools
Existing Special Tools
No. Description Part No. Application Rem.
1 Test flange 1140 890 1200 Leakage Test
No. Description Part No. Application Rem.
1 Pump 0000 850 1300 Testing engine and carburetor for leaks
- Sealing plate 0000 855 8107 Testing carburetor for leaks
- Nipple 0000 855 9200 Testing carburetor for leaks
- Hose for leakage test 1110 141 8600 Testing carburetor for leaks
- Plug for leakage test 1122 025 2200 Leakage testing decompression valve
2 Installing tool 0000 890 2201 Installing rope guide bushing
3 Locking strip 0000 893 5903 Blocking the crankshaft
4 Pliers DIN 5254-A 19 0811 611 8380 Removing and installing external
circlips
5 Screwdriver bit, T 27 x 125 0812 542 2104 Removing and installing spline socket
screws with electric or pneumatic
screwdrivers; tightening down screws
with torque wrench
6 Wooden assembly block 1108 893 4800 Installing tank vent
7 Setting gauge 1111 890 6400 Adjusting air gap between the ignition
module and flywheel
8 Assembly drift 1108 893 4700 Removing and installing piston pin
9 Assembly tube 1117 890 0900 Attaching springs
10 Installing sleeve 1118 893 4602 Protecting the oil seal
11 Installing sleeve 1122 893 2405 Installing oil seal
12 Installing sleeve 1122 893 4600 Protecting the oil seal
(clutch side)
13 Combination wrench 1129 890 3401 Spark plug 1)
14 Puller 1135 890 4500 Removing flywheel
15 Ignition system tester, ZAT 4 5910 850 4503 Testing ignition system
16 Ignition system tester, ZAT 3 5910 850 4520 Testing ignition system
17 Torque wrench 5910 890 0302 0.5 to 18 Nm
18 Torque wrench 5910 890 0312 6 to 80 Nm
19 Installing tool 12 5910 890 2212 Installing hookless snap rings in piston